Safety Precautions When Working On Ignition System
WARNING: This page is about a different car, the 2020 Audi A3, 2019 Audi A3, and 2018 Audi A3. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
Risk of injury due to electrocution
When the engine is running the ignition system is under high-voltage. It is possible to be electrocuted by touching the ignition system.
-- Never touch or remove the ignition wires when the engine is running or at cranking speed.
CAUTION:
There is a risk of damaging the components
Washing the engine as well as connecting and disconnecting wires when the engine is running can damage components.
-- Switch off the ignition before connecting and disconnecting wires.
-- Switch off the ignition before washing the engine.